8. The discovery of new DNA evidence served to completely ________ the suspect, proving beyond a shadow of a doubt that he was not present at the crime scene.
(A) inculpate
(B) exonerate
(C) castigate
(D) obfuscate

題目解析

The discovery of new DNA evidence served to completely ________ the suspect, proving beyond a shadow of a doubt that he was not present at the crime scene.

新發現的 DNA 證據完全______了嫌犯，毫無疑問地證明他當時不在犯罪現場。

後面提到：

• proving ... he was not present at the crime scene
• 證明他不在案發現場
• 表示他是無罪的、被洗刷嫌疑的

因此應選：

✅ (B) exonerate = 證明無罪；洗清罪名

選項比較

(A) inculpate

• 歸罪於、證明有罪
• 與句意相反

例：

The evidence inculpated the defendant.
證據證明被告有罪。

(B) exonerate

• 使免罪、證明無罪
• ✔ 正確答案

例：

The DNA evidence exonerated him.
DNA 證據證明他無罪。

(C) castigate

• 嚴厲斥責

例：

The coach castigated the players.
教練嚴厲責罵球員。

(D) obfuscate

• 使模糊、使混淆

例：

The politician tried to obfuscate the issue.
那位政治人物試圖模糊焦點。